2021696159

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{660901}}^1$

素因数の和:660950

約数の個数: 16

約数和(自身を含む): 2537863680

約数和(自身を除く): 516167521

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 660901, 4626307, 12557119, 15200723, 87899833, 106405061, 288813737, 2021696159]

約数ペア:

[(1, 2021696159), (7, 288813737), (19, 106405061), (23, 87899833), (133, 15200723), (161, 12557119), (437, 4626307), (3059, 660901)]